.main2 {
    background: #fff;
    /* height: fit-content; */
    /* position: relative; */
    width: 100%;

}

.main_item {
    /* height: 100px;  */
    min-height: auto;
    background: #fff;
    /* / position: -webkit-sticky; / */
    position: sticky;
    top: 55px;
    border-bottom: 1px solid #ddd;
    /* / gap: 2px; */

    .but1 {
        width: 85px;
        height: 50px;
        background: transparent;
        color: #000;
        border: none;
        cursor: pointer;
        max-width: 100px;
        line-height: 50px;
        text-align: center;
    }

    .nr {
        /* height: fit-content; */
    }
}